Buffer overflow in Totolink A7000r

CVE-2024-7213

A vulnerability, which was classified as critical, was found in TOTOLINK A7000R 9.1.0u.6268_B20220504. Affected is the function setWizardCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ssid leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-272784. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Vulnerability class: Buffer Overflow

EPSS: 0.011 (63.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-7213?
CVE-2024-7213 is a high-severity vulnerability in Totolink A7000r, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.8/10. Published 2024-07-30.
How severe is CVE-2024-7213?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2024-7213 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.